Product DescriptionDual Bowl Master Cylinder Conversion Kit with OE Metal Lines for 1965-1966 Mustang with Non-Power Drum Brakes.
This kit allows you to upgrade your single bowl brake master cylinder to a modern, safer dual bowl without any extensive line bending or modifications. Includes pre-bent lines and a fully remanufactured master cylinder.
Please Note: The original push rod from your single bowl master cylinder must be reused to provide the correct pedal height and drive for the new master cylinder. Do not use the one included with the dual bowl master cylinder.
to visit our tech article for installation instructions.
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- Overall Rating: 4.0 / 5.0
- 6 Reviews
The instructions on this unit say that you should use the original push rod. However, my original push rod is at least 3/4" to short. An adjustable push rod is almost $50!! We used the new push rod (supplied in the kit) and lengthened it by 1" (so its final length is 6 1/4" from the center of the eye. Now it works. This is a very low mileage 65 6 cyl.
Cyl fit great. The rod would not come off so I removed the C-clip and removed old rod with the piston. I than put it on the vice and cut the old piston long way in half with a grinding wheel just up to where the rod was. I did this on both sides and it released the rod. I than took the telflon ring off the new one and used it on the old one and installed the old Rod into the new cylinde. Was very easy.
This is an easy and prudent safety modification for 65-66 Mustangs. Relying on a single bowl system may be original but is not safe. This kit makes changing to a safer dual bowl system very easy. The instructions aren't as good as the kit. They're written as though the drum and disc brake systems were the same, which they are not. Also, you will need to tweak the hardlines and the stainless tubing is REALLY STIFF. I like the standard steel lines. Use a plier-type tubing bender for a nice fit.
thought this would be a quick switch-BUT on a 66 (i found out the hard way) the push rod is kept inside the mc by a steel or nylon washer that gets ruined when you have to separate your original p.r. from the original m.c. (you must use your orig. p.r.) Now the bad-once you ruin the retaining clip, there is now nothing to hold your original p.r. inside your new m.c.!! most 66's dont have a brake pedal stop, so your pushrod can actually pull out of your m.c. (that would be bad). i actually took the rubber washer off the supplied pushrod and put it on my orig., but that didn't work either (not enough resistance). Called CJ and they don't carry the retaining ring needed (why they dont send you one with the "kit" is beyond me). Also the prebent lines that i received didn't line up well at all, so i actually had to bend/flare my own. Not real happy here, as now i have to spend my time tracking down a 30 cent clip to make the whole debacle work :(
My original single bowl master cylinder had been worrying me for a while, I didn't know about a dual cylinder conversion until I happened across it here. Very easy to do, it almost fell in to place. I had to re-position my brake lines a bit (they are not original), but there was nothing difficult about it. Very reassuring to know my brake system now has some system redundancy should any part of it have a problem.
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